Home / 199,589,021.40-299,383,532.10-122,998,531.80

Finding the Fourth Proportional to 199,589,021.40, 299,383,532.10 and 122,998,531.80

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Solution

The fourth proportional to 199,589,021.40, 299,383,532.10 and 122,998,531.80 is: 184,497,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,589,021.40 : 299,383,532.10 = 122,998,531.80 : x
  2. Step 2: Convert to fraction form
    199,589,021.40/299,383,532.10 = 122,998,531.80/x
  3. Step 3: Cross multiply
    199,589,021.40x = 299,383,532.10 × 122,998,531.80
  4. Step 4: Simplify right side
    199,589,021.40x = 36,823,734,893,398,176
  5. Step 5: Solve for x
    x = 36,823,734,893,398,176/199,589,021.40
  6. Step 6: Final answer
    x = 184,497,797.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.